what are common types of physical, chemical, and biological changes that occur in an ecosystem?
Physical changes that occur in an ecosystem include the movement of energy and matter, such as the migration of animals or the transfer of nutrients between organisms. Chemical changes include the breakdown of compounds by organisms or the production of biochemical substances such as hormones. Biological changes include bacteria. Physical changes that occur in an ecosystem include the movement of energy and matter, such as the migration of animals or the transfer of nutrients between organisms. Chemical changes include the breakdown of compounds by organisms or the production of biochemical substances such as hormones. Bi ical changes include bacteria.